A vulnerability has been identified in Samba, which could be exploited by malicious users to bypass security restrictions and obtain elevated privileges. This issue is caused by an error in Winbind that assigns a primary group ID of 0 to the domain user when the rfc2307 or sfu nss_info plugin is enabled and the RFC2307 or SFU (Services for Unix) primary group attribute is not present, which could be exploited by local attackers to gain elevated privileges.
Credits
Vulnerability reported by Rick King.
ChangeLog
2007-09-12 : Initial release
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